27282728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 58821120

約数和(自身を除く): 31538392

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 73, 88, 124, 137, 146, 248, 274, 292, 341, 548, 584, 682, 803, 1096, 1364, 1507, 1606, 2263, 2728, 3014, 3212, 4247, 4526, 6028, 6424, 8494, 9052, 10001, 12056, 16988, 18104, 20002, 24893, 33976, 40004, 46717, 49786, 80008, 93434, 99572, 110011, 186868, 199144, 220022, 310031, 373736, 440044, 620062, 880088, 1240124, 2480248, 3410341, 6820682, 13641364, 27282728]

約数ペア:

[(1, 27282728), (2, 13641364), (4, 6820682), (8, 3410341), (11, 2480248), (22, 1240124), (31, 880088), (44, 620062), (62, 440044), (73, 373736), (88, 310031), (124, 220022), (137, 199144), (146, 186868), (248, 110011), (274, 99572), (292, 93434), (341, 80008), (548, 49786), (584, 46717), (682, 40004), (803, 33976), (1096, 24893), (1364, 20002), (1507, 18104), (1606, 16988), (2263, 12056), (2728, 10001), (3014, 9052), (3212, 8494), (4247, 6424), (4526, 6028)]